20895373 has 2 divisors, whose sum is σ = 20895374. Its totient is φ = 20895372.

The previous prime is 20895359. The next prime is 20895379. The reversal of 20895373 is 37359802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11142244 + 9753129 = 3338^2 + 3123^2 .

It is a cyclic number.

It is not a de Polignac number, because 20895373 - 2¹⁷ = 20764301 is a prime.

It is a super-2 number, since 2×20895373² = 873233225618258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20895379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10447686 + 10447687.

It is an arithmetic number, because the mean of its divisors is an integer number (10447687).

Almost surely, 2^20895373 is an apocalyptic number.

It is an amenable number.

20895373 is a deficient number, since it is larger than the sum of its proper divisors (1).

20895373 is an equidigital number, since it uses as much as digits as its factorization.

20895373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 20895373 is about 4571.1456988374. The cubic root of 20895373 is about 275.4334673545.

The spelling of 20895373 in words is "twenty million, eight hundred ninety-five thousand, three hundred seventy-three".